<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        function Person() {
            this.name = "张三"
        }
        let prototype = {
            constructor: Person
        }
        prototype.fn = function () {
            console.log("fn")
        }
        prototype = {
            constructor: Person,
            fn: function () {
                console.log("fn")
            }
        }
        console.log(Person);
        console.log(Person.prototype.constructor);
        // let zhangsan = new Person()

    </script>
</body>

</html>